EP1195199A1 - Verwendung monodisperser Ionenaustauscher zur Arsen-/ Antimonentfernung - Google Patents
Verwendung monodisperser Ionenaustauscher zur Arsen-/ Antimonentfernung Download PDFInfo
- Publication number
- EP1195199A1 EP1195199A1 EP01122606A EP01122606A EP1195199A1 EP 1195199 A1 EP1195199 A1 EP 1195199A1 EP 01122606 A EP01122606 A EP 01122606A EP 01122606 A EP01122606 A EP 01122606A EP 1195199 A1 EP1195199 A1 EP 1195199A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- monodisperse
- ions
- antimony
- arsenic
- anion exchangers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 27
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 15
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 150000001450 anions Chemical class 0.000 claims abstract description 26
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- -1 hexafluoroarsenate Chemical compound 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims abstract description 7
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- 229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 claims description 9
- 150000001463 antimony compounds Chemical class 0.000 claims description 9
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- 150000001495 arsenic compounds Chemical class 0.000 claims description 8
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 6
- 125000001302 tertiary amino group Chemical group 0.000 claims description 6
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- 125000003277 amino group Chemical group 0.000 claims description 3
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical class C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/02—Processes using inorganic exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/12—Macromolecular compounds
- B01J41/14—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J45/00—Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/103—Arsenic compounds
Definitions
- the present invention relates to the use of monodisperse amino / ammonium functionalized Ion exchangers or monodisperse chelate resins for selective Removal of arsenic or antimony ions from aqueous solutions.
- DD 254 373 A1 discloses a process for the production of high-purity hydrofluoric acid, although arsenic through a heterodisperse ion exchanger with core thiol groups in H + form is used.
- WO 89/11321 describes a process for the preparation of hydrofluoric acid described by an apparatus which works with both anion exchangers and Cation exchanger is operated, for example, arsenic from the reaction medium to remove.
- Weakly basic anion exchangers such as Dowex M-43® or Biorad AGW-W4A®, but also Amberlite 900® and Lewatit MP-62® used.
- the resins are functionalized with tertiary amino groups, however, they all have a heterodisperse structure.
- DE-A 19 958 390 describes the use of monodisperse adsorber resins known for arsenic removal from aqueous solutions. However, these are not functionalized with amino / ammonium groups.
- the object of the present invention was therefore on the one hand to provide in particular ion exchangers suitable for arsenic ions and / or antimony ions, which selectively select arsenic ions and / or antimony ions during synthesis processes Remove reaction solutions, even at higher temperatures over a longer period Function reliably over time and thus allow the water to run out To release production cycles back into the environment.
- arsenic compounds or antimony compounds as completely as possible separate dilute aqueous solutions.
- Such solutions can leachate be from the area of mine dumps from mining or metal smelting, Leachate from landfills or washing solutions from waste incineration, but also Process water of the electrical industry or the chemical industry.
- ion exchangers that are otherwise used to remove low concentrated ions is a preferred method for arsenic compounds and not very successful with antimony compounds.
- arsenic and / or antimony can be removed from aqueous solutions with high selectivity by means of monodisperse anion exchangers which are functionalized with amino groups and ammonium groups or with monodisperse chelate resins, provided that the arsenic compounds and the antimony compounds have previously been dissolved in hexafluoroarsenate ions and / or be converted into hexafluoroantimonations.
- AsF 6 - ions and SbF 6 - ions are extremely stable, they can be generated from oxidation state +3 by the action of oxidizing agents such as fluorine, hydrogen peroxide or other oxidizing agents active in the presence of fluoride ions from dissolved arsenic compounds or dissolved antimony compounds.
- oxidizing agents such as fluorine, hydrogen peroxide or other oxidizing agents active in the presence of fluoride ions from dissolved arsenic compounds or dissolved antimony compounds.
- the arsenic compounds or the antimony compounds are preferably oxidized in the presence of fluoride ions in aqueous solutions and converted into AsF 6 - ions or SbF 6 - ions.
- the invention therefore relates to the use of monodisperse anion exchangers or monodisperse chelate resins, in particular monodisperse amino / ammonium-functionalized anion exchangers or monodisperse chelate resins for the selective adsorption of arsenic ions and / or antimony ions from aqueous solutions and a process for separating arsenic ions and / or antimony ions from aqueous solutions.
- the arsenic or antimony compounds are not in oxidation state +5, they are first oxidatively converted into AsF6 - ions or SbF 6 - ions and these from aqueous solutions, particularly preferably from aqueous solutions with neutral or weakly alkaline, but also adsorbed with acidic pH.
- the anion exchangers to be used for the use according to the invention or Chelate resins are in the form of bead polymers in monodisperse form and are involved primary or tertiary amino groups or quaternary ammonium groups or the mixtures of which are functionalized or are monodisperse chelate resins such as those from DE-A 19 940 866 are known, the content of which is from the present application is included.
- anion exchangers or chelate resins to be used according to the invention must be monodisperse.
- Substances in which at least 90% by volume or mass of the particles have a diameter which is in the interval with the width of + 10% of the most common diameter around the most common diameter are referred to as monodisperse in the present application.
- monodisperse in the case of a bead polymer whose beads have a most common diameter of 0.50 mm, at least 90% by volume or mass are in a size interval between 0.45 mm and 0.55 mm, or in the case of a bead polymer whose beads have a most common Diameters of 0.70 mm have at least 90 volume or mass% in a size interval between 0.77 mm and 0.63 mm.
- the present invention relates to the use of bead polymers whose monodisperse property is due to the manufacturing process, that is to say obtainable by jetting, seed / feed or direct spraying.
- the latter manufacturing methods are described, for example, in US 3,922,255, US 4,444,961 and US 4,427,794.
- the anion exchangers or chelate resins to be used according to the invention exist from crosslinked polymers of ethylenically monounsaturated monomers which are used for predominantly from at least one compound of the series styrene, vinyltoluene, Ethyl styrene, ⁇ -methyl styrene or their nuclear halogenated derivatives such as chlorostyrene consist; you can also add one or more connections from the series Vinylbenzyl chloride, acrylic acid, its salts or its esters, especially theirs Methyl esters, also vinyl naphthalenes, vinyl xylenes or the nitriles or amides of Contain acrylic or methacrylic acids.
- crosslinking monomers include, for example, polyfunctional vinylaromatics such as di- or trivinylbenzenes, divinylethylbenzene, divinyltoluene, divinylxylene, divinylethylbenzene, divinylnaphthalene, polyfunctional allyl aromatics such as di- or triallylbenzenes, polyfunctional vinyl or allyl heterocycles, or niallyl cyanurate, or trivinyluronate, such as trivinyluronate, C 1 -C 6 -alkylenediacrylamides or -dimethacrylamides such as N, N'-methylenediacrylamide or -dimethacrylamide, N, N'-ethylenediacrylamide or -dimethacrylamide,
- Divinylbenzene (as a mixture of isomers) and mixtures of divinylbenzene and aliphatic C 6 -C 12 hydrocarbons with 2 or 3 C 3C double bonds have proven particularly useful as crosslinking monomers.
- the crosslinking monomers are generally used in amounts of 1 to 80% by weight, preferably 2 to 25% by weight, based on the total amount of the polymerizable monomers used.
- crosslinking monomers do not have to be in pure form, but can also be in Form of their technically traded mixtures of lower purity (such as divinylbenzene in a mixture with ethylstyrene).
- radical-forming catalysts include, for example, diacyl peroxides such as diacetyl peroxide, dibenzoyl peroxide, Di-p-chlorobenzoyl peroxide, lauroyl peroxide, peroxy esters such as tert-butyl peroxy acetate, tert-butyl peroctoate, tert-butyl peroxypivalate, tert-butyl peroxy-2-ethylhexanoate, tert-butyl peroxybenzoate, dicyclohexyl peroxydicarbonate, alkyl peroxides such as bis (tert-butyl peroxybutane), Dicumyl peroxide, tert-butyl cumyl peroxide, hydroperoxides such as cumene hydroperoxide, tert-butyl hydroperoxide,
- diacyl peroxides such as diacetyl peroxide, dibenzoyl peroxide, Di
- the radical formers can be used in catalytic amounts, i.e. preferably 0.01 to 2.5% by weight, in particular 0.12 to 1.5% by weight, based on the sum of monomer and crosslinkers.
- the water-insoluble monomer / crosslinker mixture is added to an aqueous phase which are preferably used to stabilize the monomer / crosslinker droplets in the disperse phase and the resulting bead polymers at least one Contains protective colloid.
- Protective colloids are natural and synthetic water-soluble Polymers such as Gelatin, starch, polyvinyl alcohol, polyvinyl pyrrolidone, Polyacrylic acid, polymethacrylic acid or copolymers of (meth) acrylic acid or (Meth) acrylic acid esters preferred.
- Cellulose derivatives are also very suitable, in particular cellulose ethers or cellulose esters, such as methylhydroxyethyl cellulose, Methyl hydroxypropyl cellulose, hydroxyethyl cellulose or carboxymethyl cellulose.
- the amount of protective colloids used is generally 0.02 to 1 wt .-%, preferably 0.05 to 0.3 wt .-%, based on the water phase.
- the weight ratio aqueous phase / organic phase is in the range of preferably 0.5 to 20, in particular 0.75 to 5.
- the base polymers are used during the Polymerization produced in the presence of a buffer system.
- Buffer systems that determine the pH of the water phase at the start of the polymerization set a value between 14 and 6, preferably between 12 and 8.
- the buffer concentration in the water phase is preferably 0.5 up to 500 mmol, in particular 2.5 to 100 mmol, per liter of aqueous phase.
- the monomer stream is injected into the aqueous phase, with vibration-induced beam decay and / or microencapsulation of the resulting Monomer droplets avoid generation of uniform size droplets is ensured by coalescence (EP 0 046 535 B1 and EP 0 051 210 B1).
- the polymerization temperature depends on the decomposition temperature of the one used Initiator. It is generally between 50 and 150 ° C, preferably between 55 and 100 ° C. The polymerization takes 0.5 to a few hours. It has proven to apply a temperature program in which the polymerization at low temperature, e.g. 60 ° C, started and the reaction temperature with progressing Polymerization turnover is increased.
- the resulting bead polymers can be used as such or via a through so-called seed / feed process accessible intermediate with increased particle size the functionalization.
- a seed / feed process involves the process steps with the polymer originally obtained (“seed”) to swell copolymerizable monomers ("feed”) and this in the polymer polymerize penetrated monomer. Suitable seed / feed procedures will be for example in EP 0 098 130 B1, EP 0 101 943 B1 or EP 0 802 936 B1 described.
- the ion exchangers can be microporous or gel-like or macroporous Bead polymers are present.
- microporous or gel-like or macroporous are from the specialist literature known, for example from Adv. Polymer Sci., Vol. 5, pages 113-213 (1967).
- the monomer / crosslinker mixture Porogen is obtained as described, for example, by Seidl et al., Adv. Polym. Sci., Vol. 5 (1967), Pp. 113 to 213, e.g.
- aliphatic hydrocarbons aliphatic hydrocarbons, alcohols, Esters, ethers, ketones, trialkylamines, nitro compounds, preferably hexane, Octane, isooctane, isododecane, isodecane, methyl isobutyl ketone or methyl isobutyl carbinol, in amounts of 1 to 150% by weight, preferably 40 to 100% by weight, in particular 50 to 80 wt .-%, based on the sum of monomer and crosslinker.
- Macroporous polymer beads have pore diameters of approx. 50 angstroms and greater.
- anion exchangers and chelate resins to be used according to the invention for AsF 6 - and / or SbF 6 adsorption are themselves produced by functionalizing the bead polymers.
- Trimethylamine, dimethylaminoethanol, triethylamine, Tripropylamine, tributylamine, ammonia, urotropin, aminodiacetic acid are used. This creates anion exchangers or chelate resins with quaternary ammonium groups or primary or secondary amino groups, for example aminomethyl groups, Dimethylaminomethyl groups, trimethylaminomethyl groups, Dimethylaminoethylhydroxyethyl groups, iminodiacetic acid groups, thiourea groups or aminomethylphosphonic acid groups.
- Bead polymers with aminomethyl groups can use chloroacetic acid to form ion exchangers with iminodiacetic acid groups or with formalin / phosphorus (3) compounds be converted to ion exchangers with aminomethylphosphonic acid groups.
- macroporous or gel-like monodisperse anion exchangers based on acrylic esters be used.
- Cross-linked, monodisperse bead polymers based on acrylic esters are made with polyamines such as N, N-Dimethylpropylenediamine-1,3 below Amide formation implemented.
- a weakly basic anion exchanger is formed, the one with e.g. Chloromethane converted to strongly basic anion exchangers (see e.g. Ullmann's Encyclopedia of Industrial Chemistry, Vol. A 14, Page 398).
- monodisperse ion exchangers which contain quaternary ammonium groups are preferably suitable for adsorption from neutral or weakly alkaline, aqueous solutions. Both ion exchangers with quaternary ammonium groups and those with tertiary or primary amino groups or mixtures thereof are suitable for adsorption from acidic solutions. With regard to the selectivity of the AsF 6 - and SbF 6 - adsorption, anion exchangers with tertiary amino groups are preferred.
- monodisperse anion exchangers and monodisperse chelate resins therefore allow the cleaning of process water the electronics industry, especially the semiconductor industry, or the chemical industry from contamination by arsenic or antimony, in particular in the case of highly dilute solutions of these metals or their salts.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
Claims (8)
- Verwendung von monodispersen Anionenaustauschern oder monodispersen Chelatharzen zur selektiven Adsorption von Arsen und/oder Antimon, dadurch gekennzeichnet, dass diese in Form von SbF6 --Ionen oder AsF6 --Ionen aus wässrigen Lösungen adsorbiert werden.
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass die monodispersen Anionenaustauscher oder monodispersen Chelatharze mit quartären Ammoniumgruppen oder tertiären oder primären Aminogruppen oder deren Gemischen funktionalisiert sind.
- Verwendung gemäß der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die monodispersen Anionenaustauscher oder monodispersen Chelatharze makroporös, gelförmig oder mikroporös sind.
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass die monodispersen Anionenaustauscher oder Chelatharze aus Perlpolymerisaten auf Basis ungesättigter Monomere der Reihe Styrol, Vinyltoluol, α-Methylstyrol, oder deren kernhalogenierte Derivate oder auf Acrylbasis aufgebaut sind.
- Verfahren zur Adsorption von Arsen oder Antimon aus wässrigen Lösungen, dadurch gekennzeichnet, dass die Arsenverbindungen oder Antimonverbindungen in Gegenwart von Fluoridionen an monodispersen Anionenaustauschern oder monodispersen Chelatharzen adsorbiert werden, nachdem sie zuvor in AsF6 --Ionen und/oder SbF6 --Ionen überführt wurden.
- Verfahren gemäß Anspruch 5, dadurch gekennzeichnet, dass die Adsorption der SbF6 --Ionen und/oder der AsF6 --Ionen aus neutralen, sauren oder schwach-alkalischen wässrigen Lösungen erfolgt.
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass Arsen oder Arsenverbindungen oder Antimon oder Antimonverbindungen aus Wasser aus Produktionskreisläufen, Grund- oder Oberflächengewässern entfernt wird.
- Verwendung monodisperser Anionenaustauscher oder monodisperser Chelatharze, die mit Aminogruppen und/oder Ammoniumgruppen funktionalisiert sind, zur Reinigung von Prozesswasser der Elektroindustrie, der chemischen Industrie von Sickerwässern oder von Waschlösungen von Verunreinigungen durch Arsen oder Antimon.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10049807A DE10049807A1 (de) | 2000-10-09 | 2000-10-09 | Verwendung monodisperser Ionenaustauscher zur Arsen-/Antimonentfernung |
| DE10049807 | 2000-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1195199A1 true EP1195199A1 (de) | 2002-04-10 |
Family
ID=7659058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01122606A Withdrawn EP1195199A1 (de) | 2000-10-09 | 2001-09-26 | Verwendung monodisperser Ionenaustauscher zur Arsen-/ Antimonentfernung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20020042450A1 (de) |
| EP (1) | EP1195199A1 (de) |
| JP (1) | JP2002177955A (de) |
| KR (1) | KR20020028796A (de) |
| CN (1) | CN1346805A (de) |
| CA (1) | CA2358225A1 (de) |
| DE (1) | DE10049807A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20030416A1 (it) * | 2003-09-04 | 2005-03-05 | Bayer Ag | Procedimento per la purificazione di acidi solforici. |
| DE602005025268D1 (de) * | 2004-02-24 | 2011-01-27 | Rohm & Haas | Verfahren zur Entfernung von Arsen aus Wasser |
| CA2579031C (en) * | 2006-03-03 | 2011-03-29 | Rohm And Haas Company | Method for producing an arsenic-selective resin |
| KR100840592B1 (ko) * | 2006-05-15 | 2008-06-23 | 한국생산기술연구원 | 유독성 과염소산염에 오염된 폐수의 처리를 위한 유기/무기 복합 나노다공성 음이온 교환수지 및 이의 제조방법 |
| WO2010082990A1 (en) * | 2009-01-15 | 2010-07-22 | Dow Global Technologies Inc. | Ion exchange resins comprising interpenetrating polymer networks and their use in chromium removal |
| CN102317325B (zh) * | 2009-02-13 | 2013-08-21 | 陶氏环球技术有限责任公司 | 使用叔胺的乙烯基芳族聚合物的胺化 |
| US8241505B2 (en) * | 2009-03-30 | 2012-08-14 | Dow Global Technologies Llc | Perchlorate removal using ion exchange resins comprising interpenetrating polymer networks |
| WO2014204686A1 (en) | 2013-06-19 | 2014-12-24 | Dow Global Technologies Llc | Method for making anion exchange and chelant resins including aliphatic amino functional groups |
| CN103497265B (zh) * | 2013-10-17 | 2016-02-03 | 凯瑞环保科技股份有限公司 | 一种电子级磷酸精制用树脂吸附剂的制备方法 |
| DE112015001834T5 (de) | 2014-04-15 | 2017-01-05 | Rohm And Haas Company | Sulfonierung von Aromatischen Polymeren unter Verwendung einer fluorierten Benzolverbindung als Quellmittel |
| CN103962109A (zh) * | 2014-04-18 | 2014-08-06 | 湖南师范大学 | 一种处理水中五价砷污染的方法 |
| CN104843818B (zh) * | 2015-05-21 | 2017-11-10 | 台湾化学纤维股份有限公司 | 含氟废水的除氟方法及其除氟装置 |
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| US4419245A (en) * | 1982-06-30 | 1983-12-06 | Rohm And Haas Company | Copolymer process and product therefrom consisting of crosslinked seed bead swollen by styrene monomer |
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| US5804606A (en) * | 1997-04-21 | 1998-09-08 | Rohm & Haas Company | Chelating resins |
| WO1998051619A1 (en) * | 1997-05-12 | 1998-11-19 | Affiniti, Llc. | Process for the removal of pentavalent arsenic from water |
| EP1000660A1 (de) * | 1998-11-16 | 2000-05-17 | Bayer Aktiengesellschaft | Verfahren zur Herstellung von monodispersen gelförmigen Anionenaustauschern |
| EP1078690A2 (de) * | 1999-08-27 | 2001-02-28 | Bayer Ag | Verfahren zur Herstellung von monodispersen Ionenaustauschern mit chelatisierenden Gruppen und ihre Verwendung |
| EP1078689A2 (de) * | 1999-08-27 | 2001-02-28 | Bayer Ag | Verfahren zur Herstellung von monodispersen Anionenaustauschern mit stark basischen funktionellen Gruppen |
-
2000
- 2000-10-09 DE DE10049807A patent/DE10049807A1/de not_active Withdrawn
-
2001
- 2001-09-26 EP EP01122606A patent/EP1195199A1/de not_active Withdrawn
- 2001-10-02 JP JP2001306657A patent/JP2002177955A/ja active Pending
- 2001-10-04 US US09/971,887 patent/US20020042450A1/en not_active Abandoned
- 2001-10-05 CA CA002358225A patent/CA2358225A1/en not_active Abandoned
- 2001-10-08 KR KR1020010061745A patent/KR20020028796A/ko not_active Withdrawn
- 2001-10-09 CN CN01135376A patent/CN1346805A/zh active Pending
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| US4419245A (en) * | 1982-06-30 | 1983-12-06 | Rohm And Haas Company | Copolymer process and product therefrom consisting of crosslinked seed bead swollen by styrene monomer |
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| DE4204870A1 (de) * | 1992-02-18 | 1993-08-19 | Johann Dr Rietzler | Entsorgung von arsenbelasteten grundwaessern und boeden |
| US5804606A (en) * | 1997-04-21 | 1998-09-08 | Rohm & Haas Company | Chelating resins |
| WO1998051619A1 (en) * | 1997-05-12 | 1998-11-19 | Affiniti, Llc. | Process for the removal of pentavalent arsenic from water |
| EP1000660A1 (de) * | 1998-11-16 | 2000-05-17 | Bayer Aktiengesellschaft | Verfahren zur Herstellung von monodispersen gelförmigen Anionenaustauschern |
| EP1078690A2 (de) * | 1999-08-27 | 2001-02-28 | Bayer Ag | Verfahren zur Herstellung von monodispersen Ionenaustauschern mit chelatisierenden Gruppen und ihre Verwendung |
| EP1078689A2 (de) * | 1999-08-27 | 2001-02-28 | Bayer Ag | Verfahren zur Herstellung von monodispersen Anionenaustauschern mit stark basischen funktionellen Gruppen |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020042450A1 (en) | 2002-04-11 |
| KR20020028796A (ko) | 2002-04-17 |
| CA2358225A1 (en) | 2002-04-09 |
| DE10049807A1 (de) | 2002-04-18 |
| JP2002177955A (ja) | 2002-06-25 |
| CN1346805A (zh) | 2002-05-01 |
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